bonafernando

require "csv"
@query = Model.where(field: "condition")
result_csv = CSV.generate(headers: true) do |csv|
  csv << @query.first.attributes.keys
  @query.find_each do |row|
    csv << row.attributes.values
  end
end
send_data(result_csv, filename: "model_report_#{Date.current.to_s}.csv")

bonafernando

# Pull base image.
FROM ubuntu:16.04

MAINTAINER W.Bona Fernando <fernando.bona@hp.com>
MAINTAINER Agliardi, Douglas <douglas.agliardi@hp.com>

RUN apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv EA312927
RUN echo "deb http://repo.mongodb.org/apt/ubuntu trusty/mongodb-org/3.2 multiverse" | tee /etc/apt/sources.list.d/mongodb-org-3.2.list
RUN apt-get update && apt-get install -y mongodb-org